Putranto, Wendry Setiyadi, et al. “Enterococcus Faecium 1.15 Isolated from Bakasam Showed Milk Clotting Activity”. Annales Bogorienses, vol. 21, no. 1, June 2017, pp. 9-14, doi:10.14203/ann.bogor.2017.v21.n1.9-14.